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Finding the Fourth Proportional to 575,761.20, 863,382.60 and 260,055.60

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Solution

The fourth proportional to 575,761.20, 863,382.60 and 260,055.60 is: 389,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,761.20 : 863,382.60 = 260,055.60 : x
  2. Step 2: Convert to fraction form
    575,761.20/863,382.60 = 260,055.60/x
  3. Step 3: Cross multiply
    575,761.20x = 863,382.60 × 260,055.60
  4. Step 4: Simplify right side
    575,761.20x = 224,527,480,072.56
  5. Step 5: Solve for x
    x = 224,527,480,072.56/575,761.20
  6. Step 6: Final answer
    x = 389,966.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.